[WebAssembly] clang-format (NFC)

Summary: This patch runs clang-format on all wasm-only files.

Reviewers: aardappel, dschuff, sunfish, tlively

Subscribers: MatzeB, sbc100, jgravelle-google, llvm-commits

Differential Revision: https://reviews.llvm.org/D51447

llvm-svn: 341439
diff --git a/llvm/lib/BinaryFormat/Wasm.cpp b/llvm/lib/BinaryFormat/Wasm.cpp
index 35360d0..ba8de34 100644
--- a/llvm/lib/BinaryFormat/Wasm.cpp
+++ b/llvm/lib/BinaryFormat/Wasm.cpp
@@ -25,7 +25,9 @@
 
 std::string llvm::wasm::relocTypetoString(uint32_t type) {
   switch (type) {
-#define WASM_RELOC(NAME, VALUE) case VALUE: return #NAME;
+#define WASM_RELOC(NAME, VALUE)                                                \
+  case VALUE:                                                                  \
+    return #NAME;
 #include "llvm/BinaryFormat/WasmRelocs.def"
 #undef WASM_RELOC
   default: